Navigating all the rules and regulations for home oxygen reimbursement can be tricky. There is the certificate of medical necessity (CMN), the written order prior to delivery, the face-to-face encounter, and the documentation of continued use by patients. If you manage to stay on top of all of these requirements for the next 36 months—the rental period during which the Centers for Medicare & Medicaid Services (CMS) will reimburse suppliers—you’re off to a great start.

The next crucial step is knowing when to restart the rental periods for oxygen patients so that you can maximize reimbursement and bill appropriately for supplies. This tactical reference guide will help you understand how to: